github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-31 18:43:33 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

arm64: zynqmp: Add coresight cpu debug support

Browse Source 
Add coresight debug support to the device tree. This can be useful when
panicking, especially when a core is hung in EL3.

Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Link: https://lore.kernel.org/r/20240503153422.1958812-1-sean.anderson@linux.dev
Signed-off-by: Michal Simek <michal.simek@amd.com>
This commit is contained in:
Sean Anderson 2024-05-03 11:34:22 -04:00 committed by Michal Simek
parent e31de4ed95
commit fbce12d289
2 changed files with 44 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
View File

@ -70,6 +70,22 @@ &cpu0 {
clocks = <&zynqmp_clk ACPU>;
};
&cpu0_debug {
clocks = <&zynqmp_clk DBF_FPD>;
};
&cpu1_debug {
clocks = <&zynqmp_clk DBF_FPD>;
};
&cpu2_debug {
clocks = <&zynqmp_clk DBF_FPD>;
};
&cpu3_debug {
clocks = <&zynqmp_clk DBF_FPD>;
};
&fpd_dma_chan1 {
clocks = <&zynqmp_clk GDMA_REF>, <&zynqmp_clk LPD_LSBUS>;
};

28
arch/arm64/boot/dts/xilinx/zynqmp.dtsi
View File

@ -387,6 +387,34 @@ pmu@9000 {
};
};
cpu0_debug: debug@fec10000 {
compatible = "arm,coresight-cpu-debug", "arm,primecell";
reg = <0x0 0xfec10000 0x0 0x1000>;
clock-names = "apb_pclk";
cpu = <&cpu0>;
};
cpu1_debug: debug@fed10000 {
compatible = "arm,coresight-cpu-debug", "arm,primecell";
reg = <0x0 0xfed10000 0x0 0x1000>;
clock-names = "apb_pclk";
cpu = <&cpu1>;
};
cpu2_debug: debug@fee10000 {
compatible = "arm,coresight-cpu-debug", "arm,primecell";
reg = <0x0 0xfee10000 0x0 0x1000>;
clock-names = "apb_pclk";
cpu = <&cpu2>;
};
cpu3_debug: debug@fef10000 {
compatible = "arm,coresight-cpu-debug", "arm,primecell";
reg = <0x0 0xfef10000 0x0 0x1000>;
clock-names = "apb_pclk";
cpu = <&cpu3>;
};
/* GDMA */
fpd_dma_chan1: dma-controller@fd500000 {
status = "disabled";